The Allegro Themes Project has announced that their latest, and first, Appearance Teme release called Paper is now available in iMac colors. According to The Allegro Themes Project:

Recently, Laine Lee has created his own modifications to our Paper theme. Available in Blueberry, Grape, Strawberry, Lime, and Sky colors is the new "Variations on the Paper Theme" which brighten up Paper and make it match your iMac.

You can download the new variations from The Allegro Themes Project web site.